From 1d15d5f08032acf1b7bceacbb450d617ff6e0931 Mon Sep 17 00:00:00 2001 From: eregon Date: Wed, 20 Sep 2017 20:18:52 +0000 Subject: Move spec/rubyspec to spec/ruby for consistency * Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- spec/ruby/core/hash/invert_spec.rb | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 spec/ruby/core/hash/invert_spec.rb (limited to 'spec/ruby/core/hash/invert_spec.rb') diff --git a/spec/ruby/core/hash/invert_spec.rb b/spec/ruby/core/hash/invert_spec.rb new file mode 100644 index 0000000000..bc2bf711f7 --- /dev/null +++ b/spec/ruby/core/hash/invert_spec.rb @@ -0,0 +1,27 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Hash#invert" do + it "returns a new hash where keys are values and vice versa" do + { 1 => 'a', 2 => 'b', 3 => 'c' }.invert.should == + { 'a' => 1, 'b' => 2, 'c' => 3 } + end + + it "handles collisions by overriding with the key coming later in keys()" do + h = { a: 1, b: 1 } + override_key = h.keys.last + h.invert[1].should == override_key + end + + it "compares new keys with eql? semantics" do + h = { a: 1.0, b: 1 } + i = h.invert + i[1.0].should == :a + i[1].should == :b + end + + it "does not return subclass instances for subclasses" do + HashSpecs::MyHash[1 => 2, 3 => 4].invert.class.should == Hash + HashSpecs::MyHash[].invert.class.should == Hash + end +end -- cgit v1.2.3